对于既往无心肺疾病,无呼吸困难,单侧性的闭合性气胸,积气量低于多少可以不抽气让其自行吸收()
A.<100%
B.<80%
C.<60%
D.<40%
E.<20%
参考答案:E
若-1<a<0,则在下列的(A)a3<a2(B)-a3<-a2(C)|-a3|<|-a2|(D)a3<-a2四个不等式中,有______个不等式是正确的,它们是______.
The movie Jurassic Park was a big hit, with its novel idea ___________ a mixture of fear and excitement into people’s hearts.
A.strikes
B.struck
C.to strike
D.striking